Senior PHP Engineer

We’re the people behind MailerLite, a team of creators dedicated to building outstanding online products and industry-leading email marketing software. We launched MailerSend to provide you with the same experience for transactional emails. After 10+ years of sending huge volumes of emails and experiencing similar challenges you’re facing, we’re now happy to share our solution with you.

MailerSend is a cloud-based transactional email service built for developers, but designed so that the entire team, including designers, project managers, and marketing people can use it. We are committed to providing a top-notch solution for transactional communication to our clients worldwide. We understand that behind every successful business is a team of passionate and dedicated individuals.

We are looking for a Senior PHP engineer who will help us implement new features and maintain our growing product, MailerSend. Join us now! 🚀

Why MailerLite?

Wondering why we think you’ll love working for MailerLite? Here are our favorite 6 reasons!

• You'll be challenged with interesting tasks
  Our customers are sending millions of emails per day. Scaling the platform is a challenge that will definitely keep you energized.
  

• You'll grow, develop and evolve
  As part of a team that's always looking for new, innovative ways to offer value to customers, you'll constantly be experimenting, learning, and trying out new things.

  
  

• You'll take ownership
  We expect you to take full responsibility and ownership of your tasks. Team leads avoid micromanaging and minimize interruptions so you can stay focused on your assignments.

  
  

• You’ll have experts on hand
  Whenever you’re stuck, your teammates with a wide range of expertise are ready to help you grow. And they’d love for you to share your knowledge too!

  
  

• You'll pick where you work, every day
  We embrace the remote culture. Every day you get to choose the environment that makes you most productive.

  
  

• You'll have stability
  We value a stable workplace! MailerLite has been thriving for over 10 years and our year-over-year growth continues to increase.

  
  
  

What you’ll work with

• Develop new features and maintain MailerSend to meet evolving product and customer needs

• Work on a high-load system, handling millions of emails per hour and ensuring performance, scalability, and reliability

• Optimize and modernize the platform by integrating new technologies while maintaining stability

• Collaborate with multiple teams to resolve technical challenges and improve overall system performance

• Balance long-term improvements with daily operational tasks

Team Achievements

We're incredibly proud of our team and love celebrating their accomplishments. We believe in recognizing hard work, creativity, and collaboration.

Here, we share some of the standout achievements that highlight the passion and talent within our team.

• Innovative development

Integrated AI into internal workflows, added Google Marketplace support and launched new features like email verification, dedicated IPs, and advanced data storage — all powered by our high-availability API.

• Rooted in research

Through hands-on user research and prototyping, we crafted onboarding flows that make getting started easier, staying focused on real user needs and smooth first-time experiences.

• Scaling for the future

Overhauled our processing pipelines to efficiently handle massive data volumes, ensuring scalability, performance, and insights for our users.

• Seamless integrations

Implemented integrations with Wix and Canva, enhancing platform interoperability and expanding third-party ecosystem support.